A Felinologist.
Ethology
Felisology.
Zoologist
yes.
They are called dragonologists, which are a type of cryptozoologist.
A group of cats is actually called a clowder, not a chowder. I don't know why though, I guess someone just made it up.
A heliologist is someone who studies the sun. They may also be called solar astronomers or solar physicist.
Someone who studies evolution is called Evolutionary Biologist.
a person that studies big cats is called a felineologist
Someone who studies the planet would be called a Geologist. Someone who studies Space would be called an astronaimist. Both work together to gather information about earth.
Someone who studies planetary systems is called a planetary scientist
an areologist
Astronomer
Zoologist
An oceanographer and someone who studies sharks is an ithcyologist.
A person who studies geography is called a geographer.
A person who studies seismology is called a seismologist.
Someone who studies matter at a very low temperature is called a cryogenicist.
Someone who studies the planet Mars is called an areologist.